* libobjc/objc/deprecated: New directory.

    * libobjc/objc/deprecated: New directory.
        * libobjc/objc/deprecated/README: New file.
        * libobjc/objc/README: New file.
        * libobjc/objc/typedstream.h: Moved into objc/deprecated/typedstream.h;
        objc/typedstream.h replaced with a placeholder including the file
        from the deprecated/ directory.
        * libobjc/objc/deprecated/objc-unexpected-exception.h: New file with the
        definition of _objc_unexpected_exception.
        * libobjc/objc/objc-api.h: Include deprecated/objc-unexcepted-exception.h
        instead of defining _objc_unexpected_exception.
        * libobjc/objc/deprecated/Object.h: New file with the deprecated Object
        methods in a 'Deprecated' category.
        * libobjc/objc/Object.h Include deprecated/Object.h instead of defining
        the deprecated methods.
        * libobjc/Object.m: Moved deprecated methods into 'Deprecated' category.
        * libobjc/objc-private: New directory.
        * libobjc/objc-private/README: New file.
        * libobjc/Makefile.in (OBJC_DEPRECATED_H): New variable.
        (install-headers): Create installation directory for
        OBJC_DEPRECATED_H headers, and install them.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@164153 138bc75d-0d04-0410-961f-82ee72b054a4